these 4 derivations will be built:
  /nix/store/jvihxgg6gbgrhj132y2zjsd85sxbhd2a-clan-cli-source.drv
  /nix/store/1kxymwhh19h5xjsdmjjqmjalyb28cd69-clan-cli.drv
  /nix/store/90b3r1klfddydwbqi7p1ihwslyj0x11g-closure-info.drv
  /nix/store/cq76qiw2myf53j1rmfrc7dpqmkdz840w-check-vars.drv
error: path '/nix/store/xjh5yg3nrdhli9c2v6kq096z95ayb344-check-vars' is not valid
error: Cannot build '/nix/store/cq76qiw2myf53j1rmfrc7dpqmkdz840w-check-vars.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/xjh5yg3nrdhli9c2v6kq096z95ayb344-check-vars